Press Release: Tickets are now on sale for the middleweight showdown between WBA and IBO title holder Gennady "GGG" Golovkin (26-0, 23 KOs) and Ireland's Matthew "Mack The Knife" Macklin (29-4, 20 KOs). Golovkin and Macklin will meet on June 29th at the MGM Grand Theater at Foxwoods Resort Casino in Mashantucket, Connecticut. The bout will be part of a live HBO Boxing After Dark triple-header, with the first televised bout beginning at 9:45 PM ET/PT. Tickets may be purchased online at foxwoods.com, by calling the Foxwoods' box office at 800-200-2882, or in person at the Foxwoods' box office. Tickets will also be on sale through Ticketmaster beginning this Friday.